j.cnki.rao.2014.0300]
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电脑验光仪、IOLMaster、LenstarLS900测量角膜曲率的对比分析

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《眼科新进展》[ISSN:1003-5141/CN:41-1105/R]

Title:: Comparison of corneal curvature measured by auto-refractometer ,IOL master , and Lenstar LS900

Author(s):: TANG Xiu-Xia; MAI Zhi-Bin ; NIE Xiao-Li; LIU Su-Bing ; JIANG Hong-Ling

Keywords:: auto-refractometer ; IOL master ; Lenstar LS900 ; corneal curvature

摘要:: 目的　比较电脑验光仪、ＩＯＬＭａｓｔｅｒ、ＬｅｎｓｔａｒＬＳ９００三种仪器测量角膜曲率的差异性，并为临床提供数据参考。方法　利用三种不同测量仪器对８６例（１７２眼）患者测量垂直与水平角膜曲率，每种仪器每眼分别测量三次，由专人负责测量，记录其平均值。结果　电脑验光仪测得垂直曲率为（４３．８５±１．７４）Ｄ、水平曲率为（４３．０８±１．３９）Ｄ，ＩＯＬＭａｓｔｅｒ测得垂直曲率为（４４０８±２．７８）Ｄ、水平曲率为（４２．９２±１．４３）Ｄ，ＬｅｎｓｔａｒＬＳ９００测得垂直曲率为（４３．９１±１．６９）Ｄ，水平曲率为（４２．９４±１．４１）Ｄ。三者测出的结果差异无统计学意义（Ｐ＞０．０５）。结论　通过对同一人群不同仪器测量角膜曲率的结果进行分析显示，三种仪器测量出的角膜曲率数据均准确可靠，一致性较好，可以相互替代使用。

Abstract:: Objective To compare differences of corneal curvature measured by auto- refractometer . IOL master. and Lenstar LS900 in clinical application. Methods The vertical and horizontal corneal curvature in 86 cases ( 172 eyes) were measured by three kinds of instruments , every eye was measured three times by one instrument , one person was responsible for one instrument, the average of three values was recorded. Results The vertical curvature measured by auto-refractometer ,IOLmaster , and LenstarLS900 were (43. 85 + 1. 74 ) D, ( 44. 08 + 2. 78 ) D and ( 43. 91 + 1. 69 ) D , respectively, the horizontal curvature were ( 43. 08 + 1. 39) D , ( 42. 92 + 1. 43 ) D and (42. 94 + 1. 40 ) D , respectively. The differences was not statistical significant ( all P > 0. 05 ) . Conclusion By comparing clinical observation of different instruments in measuring corneal curvature.the three instruments are accurate, reliable and consistent in measuring corneal curvature , and they can be substituted by each other.

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更新日期/Last Update: 2014-11-11